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by Everest » Mon Jan 24, 2011 1:54 pm
simplify:

(x^(-1) y^(-1))/(x y)^(-1) = 1/x* 1/y/1/xy = xy/xy = 1


I did not get below statement.

give answer in (Ay^B + Cx^D)/(Exy) where a is positive


Can you please post proper question and choices.....this one is not clear
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